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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=801576
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  <meta charset="utf-8">
  <title>Test for Bug 801576</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=801576">Mozilla Bug 801576</a>
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<pre id="test">
<script type="application/javascript">

/** Test for the same-origin policy. **/
SimpleTest.waitForExplicitFinish();

function check(obj, prop, allowed, write) {
  var accessed = false;
  try {
    if (write) {
      try {
        obj[prop] = 2;
        accessed = true;
      } catch (e) {}
      Object.defineProperty(obj, 'prop', {getter: function() {}, setter: null});
    }
    else
      obj[prop];
    accessed = true;
  } catch (e) {}
  is(accessed, allowed, prop + " is correctly (in)accessible for " + (write ? 'write' : 'read'));
}

var crossOriginReadableWindowProps = ['blur', 'close', 'closed', 'focus',
                                      'frames', 'location', 'length',
                                      'opener', 'parent', 'postMessage',
                                      'self', 'top', 'window',
                                      /* indexed and named accessors */
                                      '0', 'subframe'];

function isCrossOriginReadable(obj, prop) {
  if (obj == "Window")
    return crossOriginReadableWindowProps.indexOf(prop) != -1;
  if (obj == "Location")
    return prop == 'replace';
  return false;
}

function isCrossOriginWritable(obj, prop) {
  if (obj == "Window")
    return prop == 'location';
  if (obj == "Location")
    return prop == 'href';
}

// NB: we don't want to succeed with writes, so we only check them when it should be denied.
function testAll(sameOrigin) {
  var win = document.getElementById('ifr').contentWindow;

  // Build a list of properties to check from the properties available on our
  // window.
  var props = [];
  for (var prop in window) { props.push(prop); }

  // On android, this appears to be on the window but not on the iframe. It's
  // not really relevant to this test, so just skip it.
  if (props.indexOf('crypto') != -1)
    props.splice(props.indexOf('crypto'), 1);

  // Add the named grand-child, since that won't appear on our window.
  props.push('subframe');

  for (var prop of props) {
    check(win, prop, sameOrigin || isCrossOriginReadable('Window', prop), /* write = */ false);
    if (!sameOrigin && !isCrossOriginWritable('Window', prop))
      check(win, prop, false, /* write = */ true);
  }
  for (var prop in window.location) {
    check(win.location, prop, sameOrigin || isCrossOriginReadable('Location', prop));
    if (!sameOrigin && !isCrossOriginWritable('Location', prop))
      check(win.location, prop, false, /* write = */ true);
  }
}

var loadCount = 0;
function go() {
  ++loadCount;
  if (loadCount == 1) {
    testAll(true);
    document.getElementById('ifr').contentWindow.location = 'http://example.org/tests/js/xpconnect/tests/mochitest/file_empty.html';
  }
  else {
    is(loadCount, 2);
    testAll(false);
    SimpleTest.finish();
  }
}

</script>
</pre>
<iframe id="ifr" onload="go();" src="file_empty.html"></iframe>
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